<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	<style type="text/css">
		#link{
			color: red;
			font-size: 55px;
		}
		#link:hover{
			color: yellow;
			font-size: 100px;
			background: green;
		}
		#link:visited{
			color: black;
			font-size: 25px;
		}
		
	</style>
	</head>
	<body>
		
		<a href="http://houdunren.com" id="link">后盾人</a>
		
		
	</body>
</html>
